CVE-2021-3062: PAN-OS: Improper Access Control Vulnerability Exposing AWS Instance Metadata Endpoint to GlobalProtect Users
First published: Wed Nov 10 2021(Updated: )
An improper access control vulnerability in PAN-OS software enables an attacker with authenticated access to GlobalProtect portals and gateways to connect to the EC2 instance metadata endpoint for VM-Series firewalls hosted on Amazon AWS. Exploitation of this vulnerability enables an attacker to perform any operations allowed by the EC2 role in AWS. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20 VM-Series firewalls; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11 VM-Series firewalls; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14 VM-Series firewalls; PAN-OS 10.0 versions earlier than PAN-OS 10.0.8 VM-Series firewalls. Prisma Access customers are not impacted by this issue.
Credit: psirt@paloaltonetworks.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Paloaltonetworks Pan-os | >=8.1.0<8.1.20 | |
| Paloaltonetworks Pan-os | >=9.0.0<9.0.14 | |
| Paloaltonetworks Pan-os | >=9.1.0<9.1.11 | |
| Paloaltonetworks Pan-os | >=10.0.0<10.0.8 | |
| Paloaltonetworks Vm-series Firewall |
Remedy
This issue is fixed in PAN-OS 8.1.20, PAN-OS 9.0.14, PAN-OS 9.1.11, PAN-OS 10.0.8, and all later PAN-OS versions
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Reference Links
Frequently Asked Questions
What is CVE-2021-3062?
CVE-2021-3062 is an improper access control vulnerability in PAN-OS software that allows an attacker with authenticated access to GlobalProtect portals and gateways to connect to the EC2 instance metadata endpoint for VM-Series firewalls hosted on Amazon AWS.
How can CVE-2021-3062 be exploited?
Exploiting CVE-2021-3062 allows an attacker to perform unauthorized actions, such as accessing sensitive information or executing arbitrary commands, on the affected VM-Series firewalls.
Which versions of Paloalto Networks PAN-OS software are affected by CVE-2021-3062?
Paloalto Networks PAN-OS software versions 8.1.0 to 8.1.20, 9.0.0 to 9.0.14, 9.1.0 to 9.1.11, and 10.0.0 to 10.0.8 are affected by CVE-2021-3062.
What is the severity of CVE-2021-3062?
CVE-2021-3062 has a severity score of 8.8 (high).
How can I mitigate the CVE-2021-3062 vulnerability?
To mitigate CVE-2021-3062, Paloalto Networks recommends upgrading to a fixed PAN-OS software version.
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- vendor/paloaltonetworks
- canonical/paloaltonetworks pan-os
- version/paloaltonetworks pan-os/8.1.0
- version/paloaltonetworks pan-os/9.0.0
- version/paloaltonetworks pan-os/9.1.0
- version/paloaltonetworks pan-os/10.0.0
- canonical/paloaltonetworks vm-series firewall